David De La Rosa
Senior Ruby On Rails Web Developer at Sage
Greater Madrid Metropolitan Area Spain
Summary
👤
Senior🎓
Top SchoolDavid De La Rosa is a Senior Ruby on Rails web developer with 11 years of professional experience building APIs and full‑stack web platforms for international clients, currently shaping Sage’s accounting platform. He has led integrations across complex authentication systems (OAuth2, SAML) and cloud CI workflows, and has delivered projects for enterprises such as Mercadona, Orange, NH Hotels and Santander‑backed university apps. A pragmatic TDD advocate and lifelong self‑learner, he blends Rails, JavaScript (React/Vue), PostgreSQL and AWS with disciplined practices like RSpec, Git flow and Kanban. Comfortable working across technical, commercial and training roles, he repeatedly bridges product, customer success and engineering to improve adoption and satisfaction. An early adopter of IoT and sensory‑marketing integrations, he brings uncommon experience connecting web platforms to physical systems (audio, lighting) for retail deployments.
11 years of coding experience
14 years of employment as a software developer
Level 6 Diploma [Bachelor Level] in Ruby Development., Level 6 Diploma [Bachelor Level] in Ruby Development. at OpenClassroomsIngenieria Técnica en Informática de Sistemas, Computer Engineering, Ingenieria Técnica en Informática de Sistemas, Computer Engineering at Universidad Complutense de MadridProgramming languages (1)
Github contributions (5)
golpessito/new-coursera-test
Dec 2016 - Jan 2017
Contributions:42 pushes, 1 branch in 28 days
golpessito/coursera-test-angular
Sep 2016 - Feb 2017
Contributions:14 pushes, 1 branch in 4 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.